Epidemiologicalcharacteristics of measles in Lu'an City from 2009 to 2020

LI Kai-chun; ZHANG Xia-qing; YANG Hui; QIN Wei; LV Yong

doi:10.19837/j.cnki.ahyf.2022.01.005

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Anhui Journal of Preventive Medicine ›› 2022, Vol. 28 ›› Issue (1) : 21-25. DOI: 10.19837/j.cnki.ahyf.2022.01.005

Epidemiologicalcharacteristics of measles in Lu'an City from 2009 to 2020

LI Kai-chun^*, ZHANG Xia-qing, YANG Hui, QIN Wei, LV Yong

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Abstract

Objective To analyze the epidemiological characteristics of measles in Lu'an City from 2009 to 2020,and to provide scientific basis for measles prevention and control. Methods Measles cases from 2009 to 2020 in Lu'an City were collected through the Chinese Disease Control Information System and analyzed using descriptive epidemiological methods. Results A total of 554 confirmed measles cases were reported in Lu'an City from 2009 to 2020,with an average annual incidence of 0.72/10⁵.Cases were reported in all counties and districts of the city,among which HuoQiu County had the highest reported average annual incidence of 1.25/10⁵.The peak incidence of measles was from February to May,accounting for 50.90% of the total cases.The incidence of males was significantly higher than that of females,and the difference was statistically significant (χ²=25.560,P＜0.05).The age of the whole cases showed a bimodal distribution,which mainly concentrated on the age groups of 8-23 months and 15-44 years,accounting for 28.34% and 32.67%,respectively.Scattered children were the main disease group,accounting for 51.44% of the total cases.Among the reported cases,only 14.79% had a history of vaccination against measles.Forty-three cases were tested for measles virus genotype,and 95.35% of them were H1 genotype. Conclusion The main months of measles incidence in Lu'an City from 2009 to 2020 are from February to May each year,and the measles epidemic in Lu'an city showed a seasonal epidemic trend.The main virus genotype is H1.Routine immunization of age-eligible children should continue to be strengthened,,especially children aged 8-23 months.At the same time,attention should be paid to adult measles control.

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Measles / Epidemiological characteristics / Measles-containing vaccine

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LI Kai-chun, ZHANG Xia-qing, YANG Hui, QIN Wei, LV Yong. Epidemiologicalcharacteristics of measles in Lu'an City from 2009 to 2020[J]. Anhui Journal of Preventive Medicine. 2022, 28(1): 21-25 https://doi.org/10.19837/j.cnki.ahyf.2022.01.005

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